* src/powerpc/ppc_closure.S: New file.
	* src/powerpc/ffi.c (ffi_prep_args): Fixed ABI compatibility bug
	involving long long and register pairs.
	(ffi_prep_closure): New function.
	(flush_icache): Likewise.
	(ffi_closure_helper_SYSV): Likewise.
	* include/ffi.h.in (FFI_CLOSURES): Define on PPC.
	(FFI_TRAMPOLINE_SIZE): Likewise.
	(FFI_NATIVE_RAW_API): Likewise.
	* Makefile.in: Rebuilt.
	* Makefile.am (EXTRA_DIST): Added src/powerpc/ppc_closure.S.
	(TARGET_SRC_POWERPC): Likewise.

From-SVN: r40807